cve/2021/CVE-2021-24604.md

### [CVE-2021-24604](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24604)
![](https://img.shields.io/static/v1?label=Product&message=Availability%20Calendar&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=1.2.2%3C%201.2.2%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-79%20Cross-site%20Scripting%20(XSS)&color=brighgreen)

### Description

The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed

### POC

#### Reference
- https://wpscan.com/vulnerability/d084c5b1-45f1-4e7e-b3e9-3c98ae4bce9c

#### Github
No PoCs found on GitHub currently.